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Harmony QSpin - PMSM FOC</a></div></div></li><li><div class="topicref" data-id="GUID-35451F85-BBB3-4DF6-B3AC-00FB57657EFF"><div class="title"><a href="GUID-35451F85-BBB3-4DF6-B3AC-00FB57657EFF.html"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2</ph>
Harmony QSpin: PMSM FOC Modules</a></div></div></li><li><div class="topicref" data-id="GUID-E5EED18A-CF3E-4DA4-B210-950FDB8FA076"><div class="title"><a href="GUID-E5EED18A-CF3E-4DA4-B210-950FDB8FA076.html"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2.1</ph>
Software Modules</a><div class="wh-tooltip"><p class="shortdesc"></p></div></div></div></li><li class="active"><div class="topicref" data-id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7"><div class="title"><a href="GUID-2E524004-ED37-4174-9ECC-3075003F70A7.html"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2.1.1</ph>
Start-up Configurator</a><div class="wh-tooltip"><p class="shortdesc"></p></div></div></div></li></ol></div>
                    
                    
                    
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Introduction</a></div></div></li><li role="treeitem" aria-expanded="true"><div data-tocid="GUID-60DDB34A-7CBA-4DE1-814C-88D432196E35-d1956e52" class="topicref" data-id="GUID-60DDB34A-7CBA-4DE1-814C-88D432196E35" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action GUID-60DDB34A-7CBA-4DE1-814C-88D432196E35-d1956e52-link" class="wh-expand-btn"></span><div class="title"><a href="GUID-60DDB34A-7CBA-4DE1-814C-88D432196E35.html" id="GUID-60DDB34A-7CBA-4DE1-814C-88D432196E35-d1956e52-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2</ph>
Harmony QSpin - PMSM FOC</a></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem" aria-expanded="false"><div data-tocid="GUID-0E28D069-94DC-4B85-967B-CBF9A45BE525-d1956e60" class="topicref" data-id="GUID-0E28D069-94DC-4B85-967B-CBF9A45BE525" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action GUID-0E28D069-94DC-4B85-967B-CBF9A45BE525-d1956e60-link" class="wh-expand-btn"></span><div class="title"><a href="GUID-0E28D069-94DC-4B85-967B-CBF9A45BE525.html" id="GUID-0E28D069-94DC-4B85-967B-CBF9A45BE525-d1956e60-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.1</ph>
Getting Started</a></div></div></li><li role="treeitem" aria-expanded="true"><div data-tocid="GUID-35451F85-BBB3-4DF6-B3AC-00FB57657EFF-d1956e98" class="topicref" data-id="GUID-35451F85-BBB3-4DF6-B3AC-00FB57657EFF" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action GUID-35451F85-BBB3-4DF6-B3AC-00FB57657EFF-d1956e98-link" class="wh-expand-btn"></span><div class="title"><a href="GUID-35451F85-BBB3-4DF6-B3AC-00FB57657EFF.html" id="GUID-35451F85-BBB3-4DF6-B3AC-00FB57657EFF-d1956e98-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2</ph>
Harmony QSpin: PMSM FOC Modules</a></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem" aria-expanded="true"><div data-tocid="GUID-E5EED18A-CF3E-4DA4-B210-950FDB8FA076-d1956e106" class="topicref" data-id="GUID-E5EED18A-CF3E-4DA4-B210-950FDB8FA076" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action GUID-E5EED18A-CF3E-4DA4-B210-950FDB8FA076-d1956e106-link" class="wh-expand-btn"></span><div class="title"><a href="GUID-E5EED18A-CF3E-4DA4-B210-950FDB8FA076.html" id="GUID-E5EED18A-CF3E-4DA4-B210-950FDB8FA076-d1956e106-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2.1</ph>
Software Modules</a><div class="wh-tooltip"><p class="shortdesc"></p></div></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem" class="active"><div data-tocid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7-d1956e116" class="topicref" data-id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="GUID-2E524004-ED37-4174-9ECC-3075003F70A7.html" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7-d1956e116-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2.1.1</ph>
Start-up Configurator</a><div class="wh-tooltip"><p class="shortdesc"></p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="GUID-1247DA32-16EE-410F-8821-9996138029EC-d1956e126" class="topicref" data-id="GUID-1247DA32-16EE-410F-8821-9996138029EC" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action GUID-1247DA32-16EE-410F-8821-9996138029EC-d1956e126-link" class="wh-expand-btn"></span><div class="title"><a href="GUID-1247DA32-16EE-410F-8821-9996138029EC.html" id="GUID-1247DA32-16EE-410F-8821-9996138029EC-d1956e126-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2.1.2</ph>
Motor Control and Diagnosis</a></div></div></li><li role="treeitem"><div data-tocid="GUID-52CA4CA5-55BC-423F-B79E-B814E889984B-d1956e154" class="topicref" data-id="GUID-52CA4CA5-55BC-423F-B79E-B814E889984B" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="GUID-52CA4CA5-55BC-423F-B79E-B814E889984B.html" id="GUID-52CA4CA5-55BC-423F-B79E-B814E889984B-d1956e154-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2.1.3</ph>
Output Stage</a><div class="wh-tooltip"><p class="shortdesc"></p></div></div></div></li><li role="treeitem"><div data-tocid="GUID-D30380EE-7150-40F0-8CD4-972379CEF307-d1956e164" class="topicref" data-id="GUID-D30380EE-7150-40F0-8CD4-972379CEF307" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="GUID-D30380EE-7150-40F0-8CD4-972379CEF307.html" id="GUID-D30380EE-7150-40F0-8CD4-972379CEF307-d1956e164-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2.1.4</ph>
Current Measurement and Diagnosis</a></div></div></li><li role="treeitem"><div data-tocid="GUID-01B46490-213A-4272-8195-738256105928-d1956e172" class="topicref" data-id="GUID-01B46490-213A-4272-8195-738256105928" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="GUID-01B46490-213A-4272-8195-738256105928.html" id="GUID-01B46490-213A-4272-8195-738256105928-d1956e172-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2.1.5</ph>
Voltage Measurement and Diagnosis</a><div class="wh-tooltip"><p class="shortdesc"></p></div></div></div></li><li role="treeitem"><div data-tocid="GUID-3FC371D1-5F20-4FD5-BE9C-5E735208822F-d1956e182" class="topicref" data-id="GUID-3FC371D1-5F20-4FD5-BE9C-5E735208822F" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="GUID-3FC371D1-5F20-4FD5-BE9C-5E735208822F.html" id="GUID-3FC371D1-5F20-4FD5-BE9C-5E735208822F-d1956e182-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2.1.6</ph>
Position Measurement and Diagnosis</a></div></div></li><li role="treeitem"><div data-tocid="GUID-04C38070-686B-47B2-92B4-277FB5A980FC-d1956e190" class="topicref" data-id="GUID-04C38070-686B-47B2-92B4-277FB5A980FC" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="GUID-04C38070-686B-47B2-92B4-277FB5A980FC.html" id="GUID-04C38070-686B-47B2-92B4-277FB5A980FC-d1956e190-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2.1.7</ph>
Data Monitoring</a><div class="wh-tooltip"><p class="shortdesc"></p></div></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="GUID-ECF85ABD-803D-4969-8737-C0CA3DBC62EA-d1956e200" class="topicref" data-id="GUID-ECF85ABD-803D-4969-8737-C0CA3DBC62EA" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action GUID-ECF85ABD-803D-4969-8737-C0CA3DBC62EA-d1956e200-link" class="wh-expand-btn"></span><div class="title"><a href="GUID-ECF85ABD-803D-4969-8737-C0CA3DBC62EA.html" id="GUID-ECF85ABD-803D-4969-8737-C0CA3DBC62EA-d1956e200-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2.2</ph>
Hardware Modules</a><div class="wh-tooltip"><p class="shortdesc"></p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="GUID-5CB16768-D98D-45EA-805F-343C7E896621-d1956e238" class="topicref" data-id="GUID-5CB16768-D98D-45EA-805F-343C7E896621" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action GUID-5CB16768-D98D-45EA-805F-343C7E896621-d1956e238-link" class="wh-expand-btn"></span><div class="title"><a href="GUID-5CB16768-D98D-45EA-805F-343C7E896621.html" id="GUID-5CB16768-D98D-45EA-805F-343C7E896621-d1956e238-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.2.3</ph>
Peripheral Modules</a></div></div></li></ul></li><li role="treeitem"><div data-tocid="GUID-F8D4D059-6217-4066-BD8B-60DD5B0B9DF3-d1956e270" class="topicref" data-id="GUID-F8D4D059-6217-4066-BD8B-60DD5B0B9DF3" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="GUID-F8D4D059-6217-4066-BD8B-60DD5B0B9DF3.html" id="GUID-F8D4D059-6217-4066-BD8B-60DD5B0B9DF3-d1956e270-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">2.3</ph>
Firmware Architecture</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="GUID-5D9A13C4-45FC-4744-B788-8853716E4AD8-d1956e279" class="topicref" data-id="GUID-5D9A13C4-45FC-4744-B788-8853716E4AD8" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action GUID-5D9A13C4-45FC-4744-B788-8853716E4AD8-d1956e279-link" class="wh-expand-btn"></span><div class="title"><a href="GUID-5D9A13C4-45FC-4744-B788-8853716E4AD8.html" id="GUID-5D9A13C4-45FC-4744-B788-8853716E4AD8-d1956e279-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">3</ph>
Harmony QSpin API Reference</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="GUID-42876005-92C2-4CC0-81FC-71368462D294-d1956e2164" class="topicref" data-id="GUID-42876005-92C2-4CC0-81FC-71368462D294" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action GUID-42876005-92C2-4CC0-81FC-71368462D294-d1956e2164-link" class="wh-expand-btn"></span><div class="title"><a href="GUID-42876005-92C2-4CC0-81FC-71368462D294.html" id="GUID-42876005-92C2-4CC0-81FC-71368462D294-d1956e2164-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">4</ph>
Motor Control Development Kits and Boards</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="GUID-CB69EAC9-E44C-42F1-8521-F40F4CE2BC62-d1956e2180" class="topicref" data-id="GUID-CB69EAC9-E44C-42F1-8521-F40F4CE2BC62" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action GUID-CB69EAC9-E44C-42F1-8521-F40F4CE2BC62-d1956e2180-link" class="wh-expand-btn"></span><div class="title"><a href="GUID-CB69EAC9-E44C-42F1-8521-F40F4CE2BC62.html" id="GUID-CB69EAC9-E44C-42F1-8521-F40F4CE2BC62-d1956e2180-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">5</ph>
Motor Control Example Projects</a><div class="wh-tooltip"><p class="shortdesc"></p></div></div></div></li><li role="treeitem"><div data-tocid="GUID-05FBE3B7-EA31-4FD0-BA88-715B91E2D508-d1956e2241" class="topicref" data-id="GUID-05FBE3B7-EA31-4FD0-BA88-715B91E2D508" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="GUID-05FBE3B7-EA31-4FD0-BA88-715B91E2D508.html" id="GUID-05FBE3B7-EA31-4FD0-BA88-715B91E2D508-d1956e2241-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">6</ph>
Microchip MPLAB® Harmony 3 Release Notes</a></div></div></li><li role="treeitem"><div data-tocid="GUID-5AE41BEF-D04E-41F6-AA77-5469CF13B183-d1956e2250" class="topicref" data-id="GUID-5AE41BEF-D04E-41F6-AA77-5469CF13B183" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="GUID-5AE41BEF-D04E-41F6-AA77-5469CF13B183.html" id="GUID-5AE41BEF-D04E-41F6-AA77-5469CF13B183-d1956e2250-link"><ph xmlns="http://www.oxygenxml.com/ns/webhelp/toc">7</ph>
License</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="GUID-0FB3F908-88EE-45CE-94F5-E97AF9049C9B-d1956e2259" class="topicref backmatter backmatter_parent" data-id="GUID-0FB3F908-88EE-45CE-94F5-E97AF9049C9B" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action GUID-0FB3F908-88EE-45CE-94F5-E97AF9049C9B-d1956e2259-link" class="wh-expand-btn"></span><div class="title"><a href="GUID-0FB3F908-88EE-45CE-94F5-E97AF9049C9B.html" id="GUID-0FB3F908-88EE-45CE-94F5-E97AF9049C9B-d1956e2259-link">Microchip Information</a></div></div></li></ul></div>
		                        
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                        <div class=" wh_topic_content body "><main role="main"><article role="article" aria-labelledby="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-7D4C3DA9-DFBA-47DA-8746-DBAAD06FBADE"><h1 class="- topic/title title topictitle1" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-7D4C3DA9-DFBA-47DA-8746-DBAAD06FBADE" style="">2.2.1.1 Start-up Configurator</h1><div class="- topic/body body"><p class="- topic/shortdesc shortdesc"></p><p class="- topic/p p">The <strong class="+ topic/ph hi-d/b ph b">Harmony QSpin</strong> provides end users with the ability to configure the motor control software modules as per their project requirements.</p><section class="- topic/section section" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-F20730D2-BBF8-4E54-8CB9-C33FE3895F1D" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-F20730D2-BBF8-4E54-8CB9-C33FE3895F1D"><h2 class="- topic/title title sectiontitle">Start-up Configurator</h2>
            
            <p class="- topic/p p">The sensorless position estimation techniques based on back-EMF require a minimum value of back EMF to estimate the electrical position of the rotor. The open-loop start-up procedure drives the PMSM until its speed reaches the minimum value where the back EMF values are large enough to estimate the rotor position.</p>
            <p class="- topic/p p">In the open-loop start-up procedure, the speed loop is de-activated. The currents are controlled directly in the dq reference frame by using assumed rotor position angles for transformations. The complete start-up procedure can be divided into the following phases:</p>
            <ul class="- topic/ul ul"><li class="- topic/li li" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-7AE34B5C-F134-4B36-BBC5-BEC504494EB2" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-7AE34B5C-F134-4B36-BBC5-BEC504494EB2"><strong class="+ topic/ph hi-d/b ph b">Initial Field Alignment / Detection</strong>. In this phase, the PMSM rotor is locked to a predefined position by maintaining a fixed rotor angle. The d-axis or q-axis current is gradually ramped up to a specified value to prevent overcurrent conditions. In some cases, Initial Position Detection (IPD) is employed to determine the rotor's initial position before starting control. IPD helps ensure accurate field orientation and smooth startup, particularly in sensorless systems, by injecting high-frequency signals or using inductive measurements to estimate the rotor position without requiring motion.</li><li class="- topic/li li" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-FE18ED0A-C911-4A0E-BF53-E4DF5B05EF84" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-FE18ED0A-C911-4A0E-BF53-E4DF5B05EF84"><strong class="+ topic/ph hi-d/b ph b">Open-loop Ramp</strong>. In this phase, the rotor position is constantly incremented based on user-defined ramp time to achieve the minimum required speed for the BEMF observer. The minimum ramp time and speed depend on PMSM drive electrical and mechanical parameters. This stage is the most critical step. Any mistuning of reference speed and acceleration can lead to start-up failure.</li><li class="- topic/li li" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D75BE4D5-3C65-4FBF-8FC2-0CDE5E1C28AE" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D75BE4D5-3C65-4FBF-8FC2-0CDE5E1C28AE"><strong class="+ topic/ph hi-d/b ph b">Stabilization</strong>. In this phase, the PMSM is allowed to rotate at a constant open-loop speed. This step ensures a smooth transition to closed-loop mode.</li></ul>
        </section><section class="- topic/section section" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-37A8A710-9A3B-4599-AECB-CD319F402479" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-37A8A710-9A3B-4599-AECB-CD319F402479"><h2 class="- topic/title title sectiontitle">Graphical User Interface</h2>
            
            <div class=""><img class="- topic/image image" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__IMAGE_START_UP_CONFIGURATOR_GUI" src="GUID-7847F940-490F-4E94-A9BE-D06D7E86AA4C-high.jpg" alt="Start-up Configurator GUI"/></div>
        </section><section class="- topic/section section" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-720BA008-D43D-40D5-9F18-9299022FAD8E" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-720BA008-D43D-40D5-9F18-9299022FAD8E"><h2 class="- topic/title title sectiontitle">Rotor Position Alignment / Detection</h2>
            
            <p class="- topic/p p">Follow the steps below to configure the rotor position alignment parameters:</p>
            <ol class="- topic/ol ol" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-5FC2735D-0904-43CD-907E-58EA59023FB2" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-5FC2735D-0904-43CD-907E-58EA59023FB2"><li class="- topic/li li" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-5978595A-CCFB-453D-A4AC-F81CB659C218" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-5978595A-CCFB-453D-A4AC-F81CB659C218">Click on the <strong class="+ topic/ph hi-d/b ph b">Start-up</strong> tab rotor position alignment parameters.</li><li class="- topic/li li" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-CC1C203E-CFC5-4122-9E56-C3A9D5096BF1" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-CC1C203E-CFC5-4122-9E56-C3A9D5096BF1">Select the alignment option - Q-Axis alignment, D-axis alignment, or Initial Position Detection.</li><li class="- topic/li li" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-1C463590-A84F-4433-B60A-6B64AC66DB9F" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-1C463590-A84F-4433-B60A-6B64AC66DB9F">If either Q-Axis alignment or D-axis alignment is selected, configure the following parameters:</li></ol>
            <div class="table-container"><table class="- topic/table table" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-C5493509-7689-4841-B472-0C38559151DE" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-C5493509-7689-4841-B472-0C38559151DE" data-cols="0"><caption></caption><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-0 rowsep-0" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-C5493509-7689-4841-B472-0C38559151DE__entry__1">Fields</th><th class="- topic/entry entry colsep-0 rowsep-0" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-C5493509-7689-4841-B472-0C38559151DE__entry__2">Description</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-C5493509-7689-4841-B472-0C38559151DE__entry__1">Field Alignment/ Detection</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-C5493509-7689-4841-B472-0C38559151DE__entry__2">Enable alignment</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-C5493509-7689-4841-B472-0C38559151DE__entry__1">Select algorithm</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-C5493509-7689-4841-B472-0C38559151DE__entry__2">Select Q-Axis alignment or D-axis alignment</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-C5493509-7689-4841-B472-0C38559151DE__entry__1">Alignment current</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-C5493509-7689-4841-B472-0C38559151DE__entry__2">Set alignment current in Amperes.</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-C5493509-7689-4841-B472-0C38559151DE__entry__1">Alignment time</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-C5493509-7689-4841-B472-0C38559151DE__entry__2">Set alignment time in seconds.</td></tr></tbody></table></div>
            <p class="- topic/p p">If Initial Position Detection is selected, configure the following parameters:</p>
            <div class="table-container"><table class="- topic/table table" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224" data-cols="0"><caption></caption><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-0 rowsep-0" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224__entry__1">Fields</th><th class="- topic/entry entry colsep-0 rowsep-0" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224__entry__2">Description</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224__entry__1">Field Alignment/ Detection</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224__entry__2">Enable alignment / detection</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224__entry__1">Select algorithm</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224__entry__2">Initial Position Detection</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224__entry__1">Pulse Amplitude (in volts)</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224__entry__2">Set injection pulse amplitude in Volts</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224__entry__1">Pulse Duration (in seconds)</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224__entry__2">Set injection pulse duty in seconds</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224__entry__1">Pulse Period (in seconds)</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D9B1B827-B3D4-4629-AF1D-18E3AAADF224__entry__2">Set injection pulse period in Seconds</td></tr></tbody></table></div>
        </section><section class="- topic/section section" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-0FD787A9-DA34-469A-977C-4CADD3562F5C" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-0FD787A9-DA34-469A-977C-4CADD3562F5C"><h2 class="- topic/title title sectiontitle">Open Loop Start-up</h2>
            
            <p class="- topic/p p">Follow the steps below to configure the open loop start-up parameters:</p>
            <ol class="- topic/ol ol" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-625C8B40-DE90-42DC-A1B3-03D704FEE975" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-625C8B40-DE90-42DC-A1B3-03D704FEE975"><li class="- topic/li li" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B098447A-950B-4107-88A6-5DBD27947CBE" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B098447A-950B-4107-88A6-5DBD27947CBE">Click on the <strong class="+ topic/ph hi-d/b ph b">Start-up</strong> tab rotor position alignment parameters.</li><li class="- topic/li li" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-18E41E0D-9C44-4F04-9583-432B34EF0C0A" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-18E41E0D-9C44-4F04-9583-432B34EF0C0A">Configure the following parameters:</li></ol>
            <div class="table-container"><table class="- topic/table table" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D066E4DE-AB30-4497-B851-CE39DBBBC9CA" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D066E4DE-AB30-4497-B851-CE39DBBBC9CA" data-cols="0"><caption></caption><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-0 rowsep-0" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D066E4DE-AB30-4497-B851-CE39DBBBC9CA__entry__1">Fields</th><th class="- topic/entry entry colsep-0 rowsep-0" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D066E4DE-AB30-4497-B851-CE39DBBBC9CA__entry__2">Description</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D066E4DE-AB30-4497-B851-CE39DBBBC9CA__entry__1">Open loop speed ramp</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D066E4DE-AB30-4497-B851-CE39DBBBC9CA__entry__2">Enable or Disable open loop start-up</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D066E4DE-AB30-4497-B851-CE39DBBBC9CA__entry__1">Open loop end-speed (RPM)</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D066E4DE-AB30-4497-B851-CE39DBBBC9CA__entry__2">Open loop start-up end speed in RPM</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D066E4DE-AB30-4497-B851-CE39DBBBC9CA__entry__1">Ramp time (s)</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D066E4DE-AB30-4497-B851-CE39DBBBC9CA__entry__2">Open loop ramp time in seconds</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D066E4DE-AB30-4497-B851-CE39DBBBC9CA__entry__1">Stabilization time (s)</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-D066E4DE-AB30-4497-B851-CE39DBBBC9CA__entry__2">Open loop stabilization time in seconds</td></tr></tbody></table></div>
        </section><section class="- topic/section section" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-4F8125BD-8407-4254-A27F-E141AA35D172" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-4F8125BD-8407-4254-A27F-E141AA35D172"><h2 class="- topic/title title sectiontitle">Flying Start</h2>
            
            <p class="- topic/p p">Follow the steps below to configure the flying start parameters:</p>
            <ol class="- topic/ol ol" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-F656DCD3-79E8-485B-BBD2-DC5A66F321BA" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-F656DCD3-79E8-485B-BBD2-DC5A66F321BA"><li class="- topic/li li" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B66A2402-693D-4D1F-A8DE-EE4BB10660B0" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B66A2402-693D-4D1F-A8DE-EE4BB10660B0">Click on the <strong class="+ topic/ph hi-d/b ph b">Flying Startup</strong> tab rotor position alignment parameters.</li><li class="- topic/li li" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-67B31DA1-73FE-4A71-AFD2-9F6CDF57F054" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-67B31DA1-73FE-4A71-AFD2-9F6CDF57F054">Configure the following parameters:</li></ol>
            <div class="table-container"><table class="- topic/table table" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743" data-ofbid="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743" data-cols="0"><caption></caption><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-0 rowsep-0" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__1">Fields</th><th class="- topic/entry entry colsep-0 rowsep-0" id="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__2">Description</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__1">Flying Start</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__2">Enable or disable flying start</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__1">Passive Braking time (s)</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__2">Passive braking time in seconds</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__1">Fade-out burst period</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__2">Fade-out burst period in seconds</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__1">Detection Time</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__2">Flying start detection time in seconds</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__1">Minimum speed (RPM)</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__2">Minimum RPM to enable flying start</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__1">Advanced Configuration</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__2">Enable advanced configuration</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__1">Regenerative Braking</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__2">Enable Regenerative Braking</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__1">Peak braking current (A)</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__2">Regenerative braking current</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__1">Braking ramp time (s)</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="GUID-2E524004-ED37-4174-9ECC-3075003F70A7__GUID-B337A3D5-137C-4AB9-99EB-28C0BEC38743__entry__2">Brake ramp time in seconds</td></tr></tbody></table></div>
        </section><p class="- topic/p p">Kindly contact <a class="- topic/xref xref" href="https://www.microchip.com/mcu32ZSMT" target="_blank" rel="external noopener">Microchip Local Sales</a> for more details.</p></div></article></main></div>
                        
                        
                        
                        
                        
                        
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